1142002415 has 8 divisors (see below), whose sum is σ = 1381194240. Its totient is φ = 906407712.

The previous prime is 1142002409. The next prime is 1142002451. The reversal of 1142002415 is 5142002411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142002415 - 2⁸ = 1142002159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898580 + ... + 899849.

It is an arithmetic number, because the mean of its divisors is an integer number (172649280).

Almost surely, 2^1142002415 is an apocalyptic number.

1142002415 is a deficient number, since it is larger than the sum of its proper divisors (239191825).

1142002415 is a wasteful number, since it uses less digits than its factorization.

1142002415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798561.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1142002415 is about 33793.5262291463. The cubic root of 1142002415 is about 1045.2552096014.

Adding to 1142002415 its reverse (5142002411), we get a palindrome (6284004826).

The spelling of 1142002415 in words is "one billion, one hundred forty-two million, two thousand, four hundred fifteen".